Remote Control Panel And Wiring - Greenheck PVE-20 Installation, Operation And Maintenance Manual

Remote Control Panel and Wiring

Schematics
The remote panel is a series of junction boxes ganged
together and includes a stainless steel faceplate. The
remote panel is available with a number of different
alarm lights and switches to control the unit. The
remote panel ships loose and requires mounting and
wiring in the field
The remote panel is available with the following
options:
• Unit on/off switch
• Unit on/off light
• 7-day time clock
• Hand/off/auto switch
• Time delay override
• Economizer light
• Frost control light
• Exhaust air dirty filter light
• Outdoor air dirty filter light
Refer to Electrical Connections section for Field Control
Wiring recommendations.
7-Day Timer or On/Off Switch
7-Day Timer
S1 - Unit On/Off
For 7-Day Timer, use blue and black wires.
Red wires should be capped off.
Hand/Off/Auto Switch
On
Off
BMS
Auto
Hand/Off/Auto Switch allows the unit to
"Off" - off
"On" - Manual Operation
"Auto" - Unit is controlled by BMS, RTU, etc.
NOTE: RTU controllers are by others.
16
Model PVe Heat Recovery Unit
R
Terminal Block
in Unit
C
Control Center
G
R
Terminal Block
C
in unit
Control Center
G
Indicator Lights powered by the ER Unit
R
C
G
Y1
Y2
W1
6
7
12
PS2
NC C NO
PS3
NC C NO
Dirty Filter Indicator (power by others)
PS2
NC C
PS3
C
NC
Hot
L1
Refer to Pressure Switch for voltage and load ratings.
Unit On/Off
Frost Control
Economizer
Supply Dirty Filter
Exhaust Dirty Filter
Supply Dirty Filter
NO
Exhaust Dirty Filter
NO